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Minor tweaks.

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The text changes are trivial and may be ignored, but there are
two code corrections.

R=r, rsc
CC=go-dev
http://go/go-review/1024045
This commit is contained in:
Ian Lance Taylor 2009-11-10 00:09:53 -08:00
parent 6898f95dec
commit cc6720aab7
1 changed files with 13 additions and 10 deletions
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23
doc/effective_go.html
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@ -286,7 +286,7 @@ The package name is only the default name for imports; it need not be unique
across all source code, and in the rare case of a collision the
importing package can choose a different name to use locally.
In any case, confusion is rare because the file name in the import
defines which version is being used.
determines just which package is being used.
</p>
<p>
@ -362,7 +362,7 @@ multiword names.
<p>
Go needs fewer semicolons between statements than do other C variants.
Semicolons are never required at the top level.
Also they are separators, not terminators, so they
And they are separators, not terminators, so they
can be left off the last element of a statement or declaration list,
a convenience
for one-line <code>funcs</code> and the like.
@ -656,8 +656,8 @@ case *int:
<h3 id="multiple-returns">Multiple return values</h3>
<p>
One of Go's unusual properties is that functions and methods
can return multiple values. This feature can be used to
One of Go's unusual features is that functions and methods
can return multiple values. This can be used to
improve on a couple of clumsy idioms in C programs: in-band
error returns (such as <code>-1</code> for <code>EOF</code>)
and modifying an argument.
@ -745,7 +745,7 @@ of <code>io.ReadFull</code> that uses them well:
<pre>
func ReadFull(r Reader, buf []byte) (n int, err os.Error) {
for len(buf) > 0 &amp;&amp; err != nil {
for len(buf) > 0 &amp;&amp; err == nil {
var nr int;
nr, err = r.Read(buf);
n += nr;
@ -1162,7 +1162,7 @@ return a string rather than filling in a provided buffer.
</p>
<p>
You don't need to provide a format string. For each of <code>Printf</code>,
<code>fmt.Fprintf</code> and <code>fmt.Sprintf</code> there is another pair
<code>Fprintf</code> and <code>Sprintf</code> there is another pair
of functions, for instance <code>Print</code> and <code>Println</code>.
These functions do not take a format string but instead generate a default
format for each argument. The <code>ln</code> version also inserts a blank
@ -1175,7 +1175,9 @@ fmt.Fprint(os.Stdout, "Hello ", 23, "\n");
fmt.Println(fmt.Sprint("Hello ", 23));
</pre>
<p>
Recall that <code>fmt.Fprint</code> and friends take as a first argument any object
As mentioned in
the <a href="go_tutorial.html">tutorial</a>, <code>fmt.Fprint</code>
and friends take as a first argument any object
that implements the <code>io.Writer</code> interface; the variables <code>os.Stdout</code>
and <code>os.Stderr</code> are familiar instances.
</p>
@ -1428,7 +1430,7 @@ func init() {
<h3 id="pointers_vs_values">Pointers vs. Values</h3>
<p>
Methods can be defined for any named type except pointers and interfaces;
Methods can be defined for any named type that is not a pointer or an interface;
the receiver does not have to be a struct.
<p>
In the discussion of slices above, we wrote an <code>Append</code>
@ -2078,7 +2080,8 @@ Receivers always block until there is data to receive.
If the channel is unbuffered, the sender blocks until the receiver has
received the value.
If the channel has a buffer, the sender blocks only until the
value has been copied to the buffer.
value has been copied to the buffer; if the buffer is full, this
means waiting until some receiver has retrieved a value.
</p>
<p>
A buffered channel can be used like a semaphore, for instance to
@ -2147,7 +2150,7 @@ Here's a schematic definition of type <code>Request</code>.
type Request struct {
args []int;
f func([]int) int;
resultChan <-chan int;
resultChan chan int;
}
</pre>
<p>